You might have covered this at some point, but if so then I missed it. Throughout the series with onTriggerEnter2D and the like, you typically add an underscore in front of “collision” or “other”:
Hi Courtmaster, there is no particular performance benefit, but some programmers prefer to name their variables differently depending on whether the variable is public or private, and the _ is one way to differentiate between different kinds of variables. For example, the _ is commonly used as a prefix for private variable:
public class MyScript {
public int myPublicVariable;
private int _myPrivateVariable;
}
In this case here, Matias or Kiefer probably decided to prefix _ to their function parameters to make it easier for them to distinguish between these and their class variables.
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